mozilla-central/toolkit/mozapps/extensions/test/xpcshell/test_install_cancel.js (file symbol)

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Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
*/
"use strict";
var testserver = createHttpServer({ hosts: ["example.com"] });
AddonTestUtils.createAppInfo(
"xpcshell@tests.mozilla.org",
"XPCShell",
"1",
"1.9.2"
);
class TestListener {
constructor(listener) {
this.listener = listener;
}
onDataAvailable(...args) {
this.origListener.onDataAvailable(...args);
}
onStartRequest(request) {
this.origListener.onStartRequest(request);
}
onStopRequest(request, status) {
if (this.listener.onStopRequest) {
this.listener.onStopRequest(request, status);
}
this.origListener.onStopRequest(request, status);
}
}
function startListener(listener) {
let observer = {
observe(subject) {
let channel = subject.QueryInterface(Ci.nsIHttpChannel);
if (channel.URI.spec === "http://example.com/addons/test.xpi") {
let channelListener = new TestListener(listener);
channelListener.origListener = subject
.QueryInterface(Ci.nsITraceableChannel)
.setNewListener(channelListener);
Services.obs.removeObserver(observer, "http-on-modify-request");
}
},
};
Services.obs.addObserver(observer, "http-on-modify-request");
}
add_task(async function setup() {
let xpi = AddonTestUtils.createTempWebExtensionFile({
manifest: {
name: "Test",
version: "1.0",
browser_specific_settings: { gecko: { id: "cancel@test" } },
},
});
testserver.registerFile(`/addons/test.xpi`, xpi);
await AddonTestUtils.promiseStartupManager();
});
// This test checks that canceling an install after the download is completed fails
// and throws an exception as expected
add_task(async function test_install_cancelled() {
let install = await AddonManager.getInstallForURL(url, {
name: "Test",
version: "1.0",
});
let cancelInstall = new Promise(resolve => {
startListener({
onStopRequest() {
resolve(Promise.resolve().then(() => install.cancel()));
},
});
});
await install.install().then(() => {
ok(true, "install succeeded");
});
await cancelInstall
.then(() => {
ok(false, "cancel should not succeed");
})
.catch(e => {
ok(!!e, "cancel threw an exception");
});
});